AD 72-18-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron Aviation Inc. | 35 | Airworthiness Directives; BEECH Models 35, A35, B35 and C35 Airplanes |
| aircraft | Textron Aviation Inc. | A35 | Airworthiness Directives; BEECH Models 35, A35, B35 and C35 Airplanes |
| aircraft | Textron Aviation Inc. | B35 | Airworthiness Directives; BEECH Models 35, A35, B35 and C35 Airplanes |
| aircraft | Textron Aviation Inc. | C35 | Airworthiness Directives; BEECH Models 35, A35, B35 and C35 Airplanes |
Unsafe Condition
Dimming of the fuel selector valve disengagement warning light could occur, which may reduce its visibility to the flight crew.
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Required Actions
Adjust the dimming lens to maximum brightness immediately. Within 25 hours' time in service after August 29, 1972, replace MS 25041-2 light indicator assembly with MS 25041-6 or replace its dimming lens with a non-dimming lens from MS 25041-6. Equivalent methods require FAA approval.
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Compliance Time
Effective immediately until Paragraph B has been accomplished. Paragraph B must be accomplished within 25 hours' time in service after August 29, 1972.
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Affected Aircraft
BEECH Models 35, A35, B35, and C35 airplanes with serial numbers D-1 through D-2900, modified by Beech Kit No. 35-5030S (serial numbers 100 through 989) or equivalent installations using a warning light with a dimming feature.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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